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  #1  
Old 08-30-2011, 08:59 PM
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Default Vacuum Mold

anyone on this site ever messed with vacuum molds?

i recently made me a ghetto version and now im lookin to get the plastics or lexan to use to mold with

ill have pics up shortly of mine
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Old 08-30-2011, 09:04 PM
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could be fun
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Old 08-30-2011, 09:15 PM
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I've done pressure molding with ABS. Where you have a framework holding the ABS sheet which you heat and force down over the pattern piece and then insert any pieces for indentation.
[ It works well but you should really use an oven other than the one in your kitchen.]
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Old 08-31-2011, 08:19 AM
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Quote:
Originally Posted by iamsonic View Post
I've done pressure molding with ABS. Where you have a framework holding the ABS sheet which you heat and force down over the pattern piece and then insert any pieces for indentation.
[ It works well but you should really use an oven other than the one in your kitchen.]
why u say that i should use another oven?
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Old 08-31-2011, 08:39 AM
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Quote:
Originally Posted by 20Hz_And_Below View Post
why u say that i should use another oven?
I would assume it could release toxic fumes and it will probably stink as well. Then you have an oven that has toxic residue in it and smells nasty. Not safe for cooking food anymore, at least that's the case with DIY powdercoat kits. Hope this helps.
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Old 08-31-2011, 08:54 AM
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Kitchen appliances can be fun but it's not fun to have to replace them because you made them stink too bad to let them stay in the house.

side note;
A woman's place is not "in" the kitchen as the old saying goes.. but you can bet your ass the kitchen is a woman's place much like the garage is a man's place.

Could you imagine a woman using your tools to do something which would make the tools useless to you afterward?
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Old 08-31-2011, 04:10 PM
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Quote:
Originally Posted by iamsonic View Post


Kitchen appliances can be fun but it's not fun to have to replace them because you made them stink too bad to let them stay in the house.

side note;
A woman's place is not "in" the kitchen as the old saying goes.. but you can bet your ass the kitchen is a woman's place much like the garage is a man's place.

Could you imagine a woman using your tools to do something which would make the tools useless to you afterward?
understandable lol

what about for a one time thing just to see how it comes out...
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Old 08-31-2011, 04:27 PM
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Quote:
Originally Posted by 20Hz_And_Below View Post
understandable lol

what about for a one time thing just to see how it comes out...
Don't do it. One time is all it takes to ruin it with toxic fumes.

Go on craigslist to buy a cheap electric oven.

The process you are doing is called plastic thermal forming. We use this process at work. It's best to heat up the mold so it doesn't prematurely cool the plastic during the forming process. This gets especially sensitive when trying to form on thin plastics, like when making RC car bodies. A good mold release agent is motor oil. If making a wooden mold try finding the driest wood you can get your hands on. A couple of heat up cycles will bring out the sap out of wood and it will fall apart. Good luck with your project and post some pics up.
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